Mathematics-Quadratic Equations [NSTSE (National Science Talent Search Exam- Unified Council) Class 10]: Questions 10 - 19 of 118
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Question 10
Question 11
Question MCQ▾
The difference of the roots of is
Choices
Choice (4) | Response | |
---|---|---|
a. | -7 | |
b. | ||
c. | 5 | |
d. | Question does not provide sufficient data or is vague |
Question 12
Question MCQ▾
The number of roots satisfying the equation is/are
Choices
Choice (4) | Response | |
---|---|---|
a. | 2 | |
b. | 3 | |
c. | 1 | |
d. | Unlimited |
Question 13
Question 14
Question MCQ▾
The equation has
Choices
Choice (4) | Response | |
---|---|---|
a. | Infinitely many roots | |
b. | No roots | |
c. | One integral root | |
d. | Two real roots |
Question 15
Question 16
Question 17
Question MCQ▾
If , then the value of x is
Choices
Choice (4) | Response | |
---|---|---|
a. | 4 or 5 | |
b. | -4 or -5 | |
c. | -3 or -15 | |
d. | 9 or -30 |
Question 18
Question MCQ▾
The roots of the equation are
Choices
Choice (4) | Response | |
---|---|---|
a. | Imaginary | |
b. | Real and equal | |
c. | Rational and equal | |
d. | Irrational and unequal |
Question 19
Question MCQ▾
The equation has
Choices
Choice (4) | Response | |
---|---|---|
a. | Two imaginary roots | |
b. | One real and one imaginary root | |
c. | One real root | |
d. | No root |